range operations control system 靶场作战控制系统；range-only correlation system 测距相关系统

VOA慢速英语2012 EXPLORATIONS - MOOCs Are Moving Forward

EXPLORATIONS - MOOCs Are Moving Forward From VOA Learning English, this is EXPLORATIONS in Special English. Im Bob Doughty. And Im Faith Lapidus. Today we tell about the growing popularity of Massive Open Online Courses in higher education. The movem

发表于:2018-12-01 / 阅读(290) / 评论(0)

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VOA慢速英语2013 MOOCs Are Moving Forward

MOOCs Are Moving Forward From VOA Learning English, this is EXPLORATIONS in Special English. Im Bob Doughty. And Im Faith Lapidus. Today we tell about the growing popularity of Massive Open Online Courses in higher education. The movement toward educ

发表于:2018-12-16 / 阅读(68) / 评论(0)

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Andras Forgacs:不杀害动物的皮革与肉

到2050年，全球需要1000亿的陆上动物才能提供所需的肉、奶制品、蛋、和皮具。饲养如此多的牲畜，对地球是沉重、可能无法持续的负担。有没有别的解决办法？这场演讲令人大开眼界，组织工

发表于:2019-01-05 / 阅读(59) / 评论(0)

TED公开课:地球村

Cseh's golden days without Michael Phelps

SHENZHEN, China, Aug. 18 (Xinhua) -- In the absence of Michael Phelps, it could be golden days for Hungarian star swimmer Laszlo Cseh to dominate the Shenzhen Universiade pool. Without Micheal, the race is different, the 26-year old Cseh said after h

发表于:2019-02-08 / 阅读(88) / 评论(0)

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环球英语 — 91： CS Lewis

Voice 1 Hello. Im Elizabeth Lickiss. Voice 2 And Im Marina Santee. Welcome to Spotlight. This programme uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 3 Then he turn

发表于:2019-02-14 / 阅读(57) / 评论(0)

环球英语 Spotlight

Jet Li shifts focus to charity, tai chi

BEIJING, Sept. 27 (Xinhuanet) -- Filmmaking is just a hobby now, says kungfu star Jet Li, who is spending more time on his charity and on promoting martial arts. He has turned down three films in 2011, including an American one, Li says at the premie

发表于:2019-02-18 / 阅读(60) / 评论(0)

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